NEOS Interfaces to scip

The NEOS Server offers SCIP for the solution of mixed-integer linear
and nonlinear programming problems in
AMPL format. Not all elements of AMPL have been implmented, yet.

SCIP is a framework for Constraint Integer Programming oriented towards the
needs of Mathematical Programming experts who want to have total control of the
solution process and access detailed information. SCIP can also be used as pure
MIP solver or as framework for branch-cut-and-price.

SCIP can be linked with a number of LP solvers and the NLP solver IPOPT. See this
benchmark for the relative performance of SCIP and a shared-memory parallel version FiberSCIP.

Using the NEOS Server for SCIP

The user must submit a mixed-integer programming problem in
AMPL format.

If non-standard SCIP parameter settings are required, the user may also submit changes from this default
parameter file. Only the line(s) in which a parameter is changed from default
should be submitted such as limits/solutions = 1 if SCIP should stop when
the first feasible solution has been found.
When submitting via e-mail or XML-RPC delete empty tokens!

The administrator of SCIP reserves the right to keep and use problem
instances submitted through NEOS for testing and debugging purposes.